Truck air dam



FIG. 1 is an environmental view of a first representative embodiment of a truck air dam according to our new design, wherein the truck air dam is located on a left side of the truck;

FIG. 2 is a front-right perspective view thereof;

FIG. 3 is a rear-right perspective view thereof;

FIG. 4 is a front-left perspective view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front elevational view thereof;

FIG. 8 is a right side elevational view thereof;

FIG. 9 is an environmental view of a second representative embodiment of a truck air dam according to our new design, wherein the truck air dam is located on a right side of the truck;

FIG. 10 is a front-right perspective view thereof;

FIG. 11 is a rear-right perspective view thereof;

FIG. 12 is a front-left perspective view thereof;

FIG. 13 is a top plan view thereof;

FIG. 14 is a bottom plan view thereof;

FIG. 15 is a front elevational view thereof; and,

FIG. 16 is a right side elevational view thereof.

The dashed broken lines in the drawings show portions of the truck air dam that form no part of the claimed design.

While the broken lines form no part of the claimed design, the broken lines provide written description of prospective embodiments that are claimed when one or more of the broken lines are amended to solid lines. Similarly, while the solid lines in the drawings form part of the claimed design, the solid lines provide written description of prospective embodiments that are not claimed when one or more of the solid lines are amended to broken lines. 

CLAIM The ornamental design for a truck air dam, as shown and described. 